Compare 220981 vs 221009
| Property | 220981 | 221009 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 1371 × 16131 | 291 × 76211 |
| Prime factorization | 137 × 1613 | 29 × 7621 |
| Divisors count | 4 | 4 |
| Divisors | 1, 137, 1613, 220981 | 1, 29, 7621, 221009 |
| Number of properties | 1 | 1 |
| Semiprimes | 49726th | 49735th |
| Roman numberals | ||
| Base 2 | 1101011111001101012 | 1101011111010100012 |
| Base 3 | 1020200101113 | 1020200111123 |
| Base 4 | 3113303114 | 3113311014 |
| Base 5 | 240324115 | 240330145 |
| Base 6 | 44230216 | 44231056 |
| Base 7 | 16101557 | 16102257 |
| Base 8 | 6574658 | 6575218 |
| Base 9 | 3661149 | 3661459 |
| Base 10 | 22098110 | 22100910 |
| Base 11 | 14103211 | 14105811 |
| Base 12 | a7a7112 | a7a9512 |
| Base 13 | 7977713 | 7979913 |
| Base 14 | 5a76514 | 5a78514 |
| Base 15 | 4572115 | 4573e15 |
| Base 16 | 35f3516 | 35f5116 |